Running examples in ‘traineR-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: categorical.predictive.power
> ### Title: categorical.predictive.power
> ### Aliases: categorical.predictive.power
> 
> ### ** Examples
> 
> 
> cars <- datasets::mtcars
> cars$cyl <- as.factor(cars$cyl)
> cars$vs <- as.factor(cars$vs)
> categorical.predictive.power(cars,"vs","cyl")
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. └─traineR::categorical.predictive.power(cars, "vs", "cyl")
 2.   ├─base::suppressWarnings(...)
 3.   │ └─base::withCallingHandlers(...)
 4.   ├─dplyr::summarise(...)
 5.   └─dplyr::group_by_(data, variable.to.compare, predict.variable)
 6.     └─dplyr:::lazy_defunct("group_by")
 7.       └─lifecycle::deprecate_stop(...)
 8.         └─lifecycle:::deprecate_stop0(msg)
 9.           └─rlang::cnd_signal(...)
Execution halted
Running examples in ‘traineR-Ex.R’ failed
The error most likely occurred in:

> ### Name: categorical.predictive.power
> ### Title: categorical.predictive.power
> ### Aliases: categorical.predictive.power
> 
> ### ** Examples
> 
> 
> cars <- datasets::mtcars
> cars$cyl <- as.factor(cars$cyl)
> cars$vs <- as.factor(cars$vs)
> categorical.predictive.power(cars,"vs","cyl")
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. └─traineR::categorical.predictive.power(cars, "vs", "cyl")
 2.   ├─base::suppressWarnings(...)
 3.   │ └─base::withCallingHandlers(...)
 4.   ├─dplyr::summarise(...)
 5.   └─dplyr::group_by_(data, variable.to.compare, predict.variable)
 6.     └─dplyr:::lazy_defunct("group_by")
 7.       └─lifecycle::deprecate_stop(...)
 8.         └─lifecycle:::deprecate_stop0(msg)
 9.           └─rlang::cnd_signal(...)
Execution halted
Running examples in ‘traineR-Ex.R’ failed
The error most likely occurred in:

> ### Name: categorical.predictive.power
> ### Title: categorical.predictive.power
> ### Aliases: categorical.predictive.power
> 
> ### ** Examples
> 
> 
> cars <- datasets::mtcars
> cars$cyl <- as.factor(cars$cyl)
> cars$vs <- as.factor(cars$vs)
> categorical.predictive.power(cars,"vs","cyl")
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. └─traineR::categorical.predictive.power(cars, "vs", "cyl")
 2.   ├─base::suppressWarnings(...)
 3.   │ └─base::withCallingHandlers(...)
 4.   ├─dplyr::summarise(...)
 5.   └─dplyr::group_by_(data, variable.to.compare, predict.variable)
 6.     └─dplyr:::lazy_defunct("group_by")
 7.       └─lifecycle::deprecate_stop(...)
 8.         └─lifecycle:::deprecate_stop0(msg)
 9.           └─rlang::cnd_signal(...)
Execution halted